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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_CMDLINE_DETAIL_CMDLINE_DEBUG_DETAIL_H_
#define ART_CMDLINE_DETAIL_CMDLINE_DEBUG_DETAIL_H_
#include <iostream>
#ifndef CMDLINE_NDEBUG
#define CMDLINE_DEBUG_LOG std::cerr
#else
#define CMDLINE_DEBUG_LOG ::art::detail::debug_log_ignore()
#endif
namespace art {
// Implementation details for some template querying. Don't look inside if you hate templates.
namespace detail {
struct debug_log_ignore {
// Ignore most of the normal operator<< usage.
template <typename T>
debug_log_ignore& operator<<(const T&) { return *this; }
// Ignore std::endl and the like.
debug_log_ignore& operator<<(std::ostream& (*)(std::ostream&) ) { return *this; }
};
} // namespace detail // NOLINT [readability/namespace] [5]
} // namespace art
#endif // ART_CMDLINE_DETAIL_CMDLINE_DEBUG_DETAIL_H_
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